Postgres Administration , MSSQL Server Admin

Infosys; Monterrey; On-site; MXN 550,000 - 900,000; Full time

Job summary

Infosys is seeking a seasoned Database Administrator (DBA) for PostgreSQL and MSSQL in Mexico. The role covers on‑premises and cloud environments, focusing on high‑volume, high‑availability databases.

You will work with global teams to ensure reliability, performance, and scalable growth. Candidates should have strong troubleshooting skills, experience with AWS; cloud-native backups, DR concepts, and automation scripting help accelerate operations.

Qualifications

• Experience with large-scale, high-volume transactional databases.
• Strong performance tuning and deep-dive analysis.
• Hands-on PostgreSQL and MSSQL administration experience.
• Cloud database administration experience, preferably AWS.

Responsibilities

• Install, configure, upgrade, patch, and maintain database software.
• Administer PostgreSQL databases across on-premises and cloud environments.
• Ensure high availability, reliability, and performance of databases.
• Perform startup/shutdown/restart and failover activities.
• Plan capacity and scale databases to support growth.
• Troubleshoot infrastructure, performance, and availability issues.
• Support automated monitoring solutions and respond to alerts.
• Participate in maintenance windows and outages.
• Tune databases to meet SLA requirements.

Skills

PostgreSQL Administration

MSSQL Administration

Troubleshooting

Global team collaboration

Performance tuning

Tools

PostgreSQL

MS SQL Server

Cloud platforms

AWS services

Job description

Database Administrator (PostgreSQL / MSSQL)

Location : Mexico

Position Summary

We are seeking an experienced Database Administrator (DBA) with strong expertise in PostgreSQL and Microsoft SQL Server (MSSQL) administration. The ideal candidate will have extensive experience supporting large-scale, high-transaction database environments in both on-premises and cloud platforms. This role requires strong database performance tuning skills, cloud database administration experience, and the ability to collaborate effectively with global teams to ensure database reliability, availability, and performance.

Required Technical Skills

Database Technologies

• PostgreSQL Administration
• Microsoft SQL Server (MSSQL) Administration
• Database Performance Tuning and Optimization
• Database Backup and Recovery Strategies
• High Availability (HA) and Disaster Recovery (DR) Solutions

Cloud Technologies

• Minimum 5+ years of experience working with AWS or other cloud platforms
• Experience supporting:
  • Amazon RDS PostgreSQL
  • Amazon Aurora PostgreSQL
  • Cloud-based database environments

Monitoring Tools

• AWS CloudWatch
• Foglight
• Datadog
• Other enterprise database monitoring and observability tools

Scripting & Automation

• Shell Scripting
• Python Scripting
• Troubleshooting and debugging automation scripts

Key Responsibilities

Database Platform Administration (On-Premises & Cloud)

• Install, configure, upgrade, patch, and maintain database software.
• Administer PostgreSQL databases across on-premises and cloud environments.
• Manage database platforms to ensure high availability, reliability, and performance.
• Perform database startup, shutdown, restart, and failover activities.
• Execute capacity planning and database scaling initiatives to support business growth.
• Troubleshoot database infrastructure, performance, and availability issues.
• Support automated monitoring solutions and respond to alerts proactively.
• Participate in planned maintenance windows and outage activities.
• Perform database tuning and optimization to meet established SLA requirements.

Database Maintenance & Support

• Maintain database environments to meet availability, reliability, and performance SLAs.
• Conduct proactive and reactive maintenance activities to minimize service disruptions.
• Support database migrations, upgrades, and platform modernization initiatives.
• Implement changes in compliance with established Change Management processes.
• Provide DBA support during incidents, problem management activities, and business-as-usual (BAU) operations.
• Assist in troubleshooting production database issues and performance bottlenecks.

Administrative & Operational Support

• Coordinate with infrastructure, application, middleware, network, and cloud teams during incidents and maintenance activities.
• Create and maintain operational documentation, including:
  • Standard Operating Procedures (SOPs)
  • Runbooks
  • Root Cause Analysis (RCA) reports
  • Knowledge Base articles
• Assist application teams with:
  • Performance testing
  • Query tuning
  • Database troubleshooting
  • Capacity planning
• Develop and maintain database standards, policies, and operational procedures.

Required Qualifications

• Experience supporting large-scale, high-volume transactional database environments.
• Strong expertise in database performance tuning, optimization, and deep-dive performance analysis.
• Hands-on experience configuring, administering, and supporting PostgreSQL databases.
• Strong understanding of backup, recovery, and disaster recovery methodologies.
• Experience working in cloud environments, preferably AWS.
• Strong troubleshooting and problem-solving skills.
• Ability to work effectively under pressure and meet tight delivery timelines.
• Excellent verbal and written communication skills.
• Experience working in a global delivery model and collaborating across geographically distributed teams.
• Ability to communicate effectively with business stakeholders, technical teams, and senior leadership.

Preferred Qualifications

• IBM DB2 LUW Administration
• Advanced Microsoft SQL Server Administration
• Experience with database migration projects
• Experience supporting enterprise monitoring and observability platformsKnowledge of Infrastructure-as-Code (IaC) and automation frameworks
• ITIL process knowledge (Incident, Problem, Change Management)

Soft Skills

• Strong analytical and troubleshooting skills
• Excellent stakeholder management and communication abilities
• Ability to work independently and collaboratively
• Strong documentation and process-oriented mindset
• Proven ability to manage multiple priorities in a fast-paced environment

About Us

Infosys is a global leader in next-generation digital services and consulting. We enable clients in more than 50 countries to navigate their digital transformation. With over four decades of experience in managing the systems and workings of global enterprises, we expertly steer our clients through their digital journey. We do it by enabling the enterprise with an AI-powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise, and ideas from our innovation ecosystem.

EEO

Infosys provides equal employment opportunities to applicants and employees without regard to race; color; sex; gender identity; sexual orientation; religious practices and observances; national origin; pregnancy, childbirth, or related medical conditions; status as a protected veteran or spouse/family member of a protected veteran; or disability.